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Finding the Fourth Proportional to 496.86, 744.67 and 291.01

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Solution

The fourth proportional to 496.86, 744.67 and 291.01 is: 436.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.86 : 744.67 = 291.01 : x
  2. Step 2: Convert to fraction form
    496.86/744.67 = 291.01/x
  3. Step 3: Cross multiply
    496.86x = 744.67 × 291.01
  4. Step 4: Simplify right side
    496.86x = 216,706.42
  5. Step 5: Solve for x
    x = 216,706.42/496.86
  6. Step 6: Final answer
    x = 436.15

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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.