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Finding the Fourth Proportional to 973.43, 1,460.15 and 243

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Solution

The fourth proportional to 973.43, 1,460.15 and 243 is: 364.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.43 : 1,460.15 = 243 : x
  2. Step 2: Convert to fraction form
    973.43/1,460.15 = 243/x
  3. Step 3: Cross multiply
    973.43x = 1,460.15 × 243
  4. Step 4: Simplify right side
    973.43x = 354,817.06
  5. Step 5: Solve for x
    x = 354,817.06/973.43
  6. Step 6: Final answer
    x = 364.50

Related Problems

Find fourth proportional to 486.71, 730.08 and 121.50
Half scale
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Double scale
Find fourth proportional to 974.43, 1,461.65 and 244
Similar ratio
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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.