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Finding the Fourth Proportional to 370.63, 554.96 and 293.75

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Solution

The fourth proportional to 370.63, 554.96 and 293.75 is: 439.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.63 : 554.96 = 293.75 : x
  2. Step 2: Convert to fraction form
    370.63/554.96 = 293.75/x
  3. Step 3: Cross multiply
    370.63x = 554.96 × 293.75
  4. Step 4: Simplify right side
    370.63x = 163,019.50
  5. Step 5: Solve for x
    x = 163,019.50/370.63
  6. Step 6: Final answer
    x = 439.84

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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.