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Finding the Fourth Proportional to 534.87, 797.99 and 456.93

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Solution

The fourth proportional to 534.87, 797.99 and 456.93 is: 681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.87 : 797.99 = 456.93 : x
  2. Step 2: Convert to fraction form
    534.87/797.99 = 456.93/x
  3. Step 3: Cross multiply
    534.87x = 797.99 × 456.93
  4. Step 4: Simplify right side
    534.87x = 364,623.29
  5. Step 5: Solve for x
    x = 364,623.29/534.87
  6. Step 6: Final answer
    x = 681.70

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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.