Home / 1,482.16-2,223.15-442.17

Finding the Fourth Proportional to 1,482.16, 2,223.15 and 442.17

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Solution

The fourth proportional to 1,482.16, 2,223.15 and 442.17 is: 663.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.16 : 2,223.15 = 442.17 : x
  2. Step 2: Convert to fraction form
    1,482.16/2,223.15 = 442.17/x
  3. Step 3: Cross multiply
    1,482.16x = 2,223.15 × 442.17
  4. Step 4: Simplify right side
    1,482.16x = 983,010.24
  5. Step 5: Solve for x
    x = 983,010.24/1,482.16
  6. Step 6: Final answer
    x = 663.23

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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.