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Finding the Fourth Proportional to 605.74, 904.24 and 560.65

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Solution

The fourth proportional to 605.74, 904.24 and 560.65 is: 836.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.74 : 904.24 = 560.65 : x
  2. Step 2: Convert to fraction form
    605.74/904.24 = 560.65/x
  3. Step 3: Cross multiply
    605.74x = 904.24 × 560.65
  4. Step 4: Simplify right side
    605.74x = 506,962.16
  5. Step 5: Solve for x
    x = 506,962.16/605.74
  6. Step 6: Final answer
    x = 836.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.