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Finding the Fourth Proportional to 618.26, 924.27 and 527.06

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Solution

The fourth proportional to 618.26, 924.27 and 527.06 is: 787.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    618.26 : 924.27 = 527.06 : x
  2. Step 2: Convert to fraction form
    618.26/924.27 = 527.06/x
  3. Step 3: Cross multiply
    618.26x = 924.27 × 527.06
  4. Step 4: Simplify right side
    618.26x = 487,143.11
  5. Step 5: Solve for x
    x = 487,143.11/618.26
  6. Step 6: Final answer
    x = 787.93

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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.