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Finding the Fourth Proportional to 1,482.42, 2,223.57 and 508.53

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Solution

The fourth proportional to 1,482.42, 2,223.57 and 508.53 is: 762.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.42 : 2,223.57 = 508.53 : x
  2. Step 2: Convert to fraction form
    1,482.42/2,223.57 = 508.53/x
  3. Step 3: Cross multiply
    1,482.42x = 2,223.57 × 508.53
  4. Step 4: Simplify right side
    1,482.42x = 1,130,752.05
  5. Step 5: Solve for x
    x = 1,130,752.05/1,482.42
  6. Step 6: Final answer
    x = 762.77

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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.