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Finding the Fourth Proportional to 504.52, 695.30 and 356.92

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Solution

The fourth proportional to 504.52, 695.30 and 356.92 is: 491.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.52 : 695.30 = 356.92 : x
  2. Step 2: Convert to fraction form
    504.52/695.30 = 356.92/x
  3. Step 3: Cross multiply
    504.52x = 695.30 × 356.92
  4. Step 4: Simplify right side
    504.52x = 248,166.48
  5. Step 5: Solve for x
    x = 248,166.48/504.52
  6. Step 6: Final answer
    x = 491.89

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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.