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Finding the Fourth Proportional to 535.34, 737.12 and 402.75

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Solution

The fourth proportional to 535.34, 737.12 and 402.75 is: 554.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.34 : 737.12 = 402.75 : x
  2. Step 2: Convert to fraction form
    535.34/737.12 = 402.75/x
  3. Step 3: Cross multiply
    535.34x = 737.12 × 402.75
  4. Step 4: Simplify right side
    535.34x = 296,873.07
  5. Step 5: Solve for x
    x = 296,873.07/535.34
  6. Step 6: Final answer
    x = 554.56

Related Problems

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1.5x scale

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.