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Finding the Fourth Proportional to 1,088.34, 1,632.48 and 463.67

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Solution

The fourth proportional to 1,088.34, 1,632.48 and 463.67 is: 695.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.34 : 1,632.48 = 463.67 : x
  2. Step 2: Convert to fraction form
    1,088.34/1,632.48 = 463.67/x
  3. Step 3: Cross multiply
    1,088.34x = 1,632.48 × 463.67
  4. Step 4: Simplify right side
    1,088.34x = 756,923.84
  5. Step 5: Solve for x
    x = 756,923.84/1,088.34
  6. Step 6: Final answer
    x = 695.48

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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.