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Finding the Fourth Proportional to 586.90, 880.27 and 196.88

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Solution

The fourth proportional to 586.90, 880.27 and 196.88 is: 295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.90 : 880.27 = 196.88 : x
  2. Step 2: Convert to fraction form
    586.90/880.27 = 196.88/x
  3. Step 3: Cross multiply
    586.90x = 880.27 × 196.88
  4. Step 4: Simplify right side
    586.90x = 173,307.62
  5. Step 5: Solve for x
    x = 173,307.62/586.90
  6. Step 6: Final answer
    x = 295.30

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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.