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Finding the Fourth Proportional to 701.64, 1,054.77 and 497.67

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Solution

The fourth proportional to 701.64, 1,054.77 and 497.67 is: 748.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.64 : 1,054.77 = 497.67 : x
  2. Step 2: Convert to fraction form
    701.64/1,054.77 = 497.67/x
  3. Step 3: Cross multiply
    701.64x = 1,054.77 × 497.67
  4. Step 4: Simplify right side
    701.64x = 524,927.39
  5. Step 5: Solve for x
    x = 524,927.39/701.64
  6. Step 6: Final answer
    x = 748.14

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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.