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Finding the Fourth Proportional to 1,498.07, 2,247.65 and 524.32

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Solution

The fourth proportional to 1,498.07, 2,247.65 and 524.32 is: 786.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498.07 : 2,247.65 = 524.32 : x
  2. Step 2: Convert to fraction form
    1,498.07/2,247.65 = 524.32/x
  3. Step 3: Cross multiply
    1,498.07x = 2,247.65 × 524.32
  4. Step 4: Simplify right side
    1,498.07x = 1,178,487.85
  5. Step 5: Solve for x
    x = 1,178,487.85/1,498.07
  6. Step 6: Final answer
    x = 786.67

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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.