Home / 1,112.17-1,668.23-332.16

Finding the Fourth Proportional to 1,112.17, 1,668.23 and 332.16

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Solution

The fourth proportional to 1,112.17, 1,668.23 and 332.16 is: 498.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112.17 : 1,668.23 = 332.16 : x
  2. Step 2: Convert to fraction form
    1,112.17/1,668.23 = 332.16/x
  3. Step 3: Cross multiply
    1,112.17x = 1,668.23 × 332.16
  4. Step 4: Simplify right side
    1,112.17x = 554,117.62
  5. Step 5: Solve for x
    x = 554,117.62/1,112.17
  6. Step 6: Final answer
    x = 498.23

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1.5x scale

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.