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Finding the Fourth Proportional to 450.19, 621.27 and 294.94

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Solution

The fourth proportional to 450.19, 621.27 and 294.94 is: 407.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    450.19 : 621.27 = 294.94 : x
  2. Step 2: Convert to fraction form
    450.19/621.27 = 294.94/x
  3. Step 3: Cross multiply
    450.19x = 621.27 × 294.94
  4. Step 4: Simplify right side
    450.19x = 183,237.37
  5. Step 5: Solve for x
    x = 183,237.37/450.19
  6. Step 6: Final answer
    x = 407.02

Related Problems

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.