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Finding the Fourth Proportional to 546.24, 752.16 and 435.36

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Solution

The fourth proportional to 546.24, 752.16 and 435.36 is: 599.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.24 : 752.16 = 435.36 : x
  2. Step 2: Convert to fraction form
    546.24/752.16 = 435.36/x
  3. Step 3: Cross multiply
    546.24x = 752.16 × 435.36
  4. Step 4: Simplify right side
    546.24x = 327,460.38
  5. Step 5: Solve for x
    x = 327,460.38/546.24
  6. Step 6: Final answer
    x = 599.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.