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Finding the Fourth Proportional to 708.06, 976.74 and 542.04

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Solution

The fourth proportional to 708.06, 976.74 and 542.04 is: 747.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    708.06 : 976.74 = 542.04 : x
  2. Step 2: Convert to fraction form
    708.06/976.74 = 542.04/x
  3. Step 3: Cross multiply
    708.06x = 976.74 × 542.04
  4. Step 4: Simplify right side
    708.06x = 529,432.15
  5. Step 5: Solve for x
    x = 529,432.15/708.06
  6. Step 6: Final answer
    x = 747.72

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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.