Home / 1,088.18-1,632.08-357.76

Finding the Fourth Proportional to 1,088.18, 1,632.08 and 357.76

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Solution

The fourth proportional to 1,088.18, 1,632.08 and 357.76 is: 536.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.18 : 1,632.08 = 357.76 : x
  2. Step 2: Convert to fraction form
    1,088.18/1,632.08 = 357.76/x
  3. Step 3: Cross multiply
    1,088.18x = 1,632.08 × 357.76
  4. Step 4: Simplify right side
    1,088.18x = 583,892.94
  5. Step 5: Solve for x
    x = 583,892.94/1,088.18
  6. Step 6: Final answer
    x = 536.58

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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.