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Finding the Fourth Proportional to 583.65, 874.85 and 193.55

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Solution

The fourth proportional to 583.65, 874.85 and 193.55 is: 290.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.65 : 874.85 = 193.55 : x
  2. Step 2: Convert to fraction form
    583.65/874.85 = 193.55/x
  3. Step 3: Cross multiply
    583.65x = 874.85 × 193.55
  4. Step 4: Simplify right side
    583.65x = 169,322.84
  5. Step 5: Solve for x
    x = 169,322.84/583.65
  6. Step 6: Final answer
    x = 290.11

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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.