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Finding the Fourth Proportional to 358.19, 537.23 and 152.67

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Solution

The fourth proportional to 358.19, 537.23 and 152.67 is: 228.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.19 : 537.23 = 152.67 : x
  2. Step 2: Convert to fraction form
    358.19/537.23 = 152.67/x
  3. Step 3: Cross multiply
    358.19x = 537.23 × 152.67
  4. Step 4: Simplify right side
    358.19x = 82,019.29
  5. Step 5: Solve for x
    x = 82,019.29/358.19
  6. Step 6: Final answer
    x = 228.99

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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.