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Finding the Fourth Proportional to 586.98, 880.40 and 294.36

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Solution

The fourth proportional to 586.98, 880.40 and 294.36 is: 441.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.98 : 880.40 = 294.36 : x
  2. Step 2: Convert to fraction form
    586.98/880.40 = 294.36/x
  3. Step 3: Cross multiply
    586.98x = 880.40 × 294.36
  4. Step 4: Simplify right side
    586.98x = 259,153.07
  5. Step 5: Solve for x
    x = 259,153.07/586.98
  6. Step 6: Final answer
    x = 441.50

Related Problems

Find fourth proportional to 293.49, 440.20 and 147.18
Half scale
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Double scale
Find fourth proportional to 587.98, 881.89 and 295.36
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.