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Finding the Fourth Proportional to 459.53, 633.85 and 348.76

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Solution

The fourth proportional to 459.53, 633.85 and 348.76 is: 481.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.53 : 633.85 = 348.76 : x
  2. Step 2: Convert to fraction form
    459.53/633.85 = 348.76/x
  3. Step 3: Cross multiply
    459.53x = 633.85 × 348.76
  4. Step 4: Simplify right side
    459.53x = 221,061.53
  5. Step 5: Solve for x
    x = 221,061.53/459.53
  6. Step 6: Final answer
    x = 481.06

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Find fourth proportional to 229.77, 316.93 and 174.38
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Double scale
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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.