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Finding the Fourth Proportional to 1,283.01, 1,924.18 and 358.51

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Solution

The fourth proportional to 1,283.01, 1,924.18 and 358.51 is: 537.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283.01 : 1,924.18 = 358.51 : x
  2. Step 2: Convert to fraction form
    1,283.01/1,924.18 = 358.51/x
  3. Step 3: Cross multiply
    1,283.01x = 1,924.18 × 358.51
  4. Step 4: Simplify right side
    1,283.01x = 689,835.98
  5. Step 5: Solve for x
    x = 689,835.98/1,283.01
  6. Step 6: Final answer
    x = 537.67

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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.