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Finding the Fourth Proportional to 618.02, 924.74 and 572.00

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Solution

The fourth proportional to 618.02, 924.74 and 572.00 is: 855.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    618.02 : 924.74 = 572.00 : x
  2. Step 2: Convert to fraction form
    618.02/924.74 = 572.00/x
  3. Step 3: Cross multiply
    618.02x = 924.74 × 572.00
  4. Step 4: Simplify right side
    618.02x = 528,943.80
  5. Step 5: Solve for x
    x = 528,943.80/618.02
  6. Step 6: Final answer
    x = 855.88

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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.