Home / 1,088.04-1,631.56-357.40

Finding the Fourth Proportional to 1,088.04, 1,631.56 and 357.40

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Solution

The fourth proportional to 1,088.04, 1,631.56 and 357.40 is: 535.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.04 : 1,631.56 = 357.40 : x
  2. Step 2: Convert to fraction form
    1,088.04/1,631.56 = 357.40/x
  3. Step 3: Cross multiply
    1,088.04x = 1,631.56 × 357.40
  4. Step 4: Simplify right side
    1,088.04x = 583,119.54
  5. Step 5: Solve for x
    x = 583,119.54/1,088.04
  6. Step 6: Final answer
    x = 535.94

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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.