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Finding the Fourth Proportional to 655.08, 904.04 and 434.10

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Solution

The fourth proportional to 655.08, 904.04 and 434.10 is: 599.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    655.08 : 904.04 = 434.10 : x
  2. Step 2: Convert to fraction form
    655.08/904.04 = 434.10/x
  3. Step 3: Cross multiply
    655.08x = 904.04 × 434.10
  4. Step 4: Simplify right side
    655.08x = 392,441.59
  5. Step 5: Solve for x
    x = 392,441.59/655.08
  6. Step 6: Final answer
    x = 599.07

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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.