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Finding the Fourth Proportional to 582.28, 875.27 and 542.18

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Solution

The fourth proportional to 582.28, 875.27 and 542.18 is: 815.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.28 : 875.27 = 542.18 : x
  2. Step 2: Convert to fraction form
    582.28/875.27 = 542.18/x
  3. Step 3: Cross multiply
    582.28x = 875.27 × 542.18
  4. Step 4: Simplify right side
    582.28x = 474,557.43
  5. Step 5: Solve for x
    x = 474,557.43/582.28
  6. Step 6: Final answer
    x = 815.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.