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Finding the Fourth Proportional to 618.07, 926.24 and 435.10

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Solution

The fourth proportional to 618.07, 926.24 and 435.10 is: 652.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    618.07 : 926.24 = 435.10 : x
  2. Step 2: Convert to fraction form
    618.07/926.24 = 435.10/x
  3. Step 3: Cross multiply
    618.07x = 926.24 × 435.10
  4. Step 4: Simplify right side
    618.07x = 403,000.22
  5. Step 5: Solve for x
    x = 403,000.22/618.07
  6. Step 6: Final answer
    x = 652.04

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1.5x scale

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.