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Finding the Fourth Proportional to 370.53, 553.59 and 297.63

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Solution

The fourth proportional to 370.53, 553.59 and 297.63 is: 444.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.53 : 553.59 = 297.63 : x
  2. Step 2: Convert to fraction form
    370.53/553.59 = 297.63/x
  3. Step 3: Cross multiply
    370.53x = 553.59 × 297.63
  4. Step 4: Simplify right side
    370.53x = 164,764.99
  5. Step 5: Solve for x
    x = 164,764.99/370.53
  6. Step 6: Final answer
    x = 444.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.