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Finding the Fourth Proportional to 558.36, 770.04 and 434.34

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Solution

The fourth proportional to 558.36, 770.04 and 434.34 is: 599.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.36 : 770.04 = 434.34 : x
  2. Step 2: Convert to fraction form
    558.36/770.04 = 434.34/x
  3. Step 3: Cross multiply
    558.36x = 770.04 × 434.34
  4. Step 4: Simplify right side
    558.36x = 334,459.17
  5. Step 5: Solve for x
    x = 334,459.17/558.36
  6. Step 6: Final answer
    x = 599.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.