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Finding the Fourth Proportional to 536.32, 740.32 and 480.96

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Solution

The fourth proportional to 536.32, 740.32 and 480.96 is: 663.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.32 : 740.32 = 480.96 : x
  2. Step 2: Convert to fraction form
    536.32/740.32 = 480.96/x
  3. Step 3: Cross multiply
    536.32x = 740.32 × 480.96
  4. Step 4: Simplify right side
    536.32x = 356,064.31
  5. Step 5: Solve for x
    x = 356,064.31/536.32
  6. Step 6: Final answer
    x = 663.90

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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.