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Finding the Fourth Proportional to 1,518.81, 2,278.07 and 594.35

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Solution

The fourth proportional to 1,518.81, 2,278.07 and 594.35 is: 891.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.81 : 2,278.07 = 594.35 : x
  2. Step 2: Convert to fraction form
    1,518.81/2,278.07 = 594.35/x
  3. Step 3: Cross multiply
    1,518.81x = 2,278.07 × 594.35
  4. Step 4: Simplify right side
    1,518.81x = 1,353,970.90
  5. Step 5: Solve for x
    x = 1,353,970.90/1,518.81
  6. Step 6: Final answer
    x = 891.47

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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.